The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2025
Filed:
Dec. 21, 2022
Nxp B.v., Eindhoven, NL;
Christine Van Vredendaal, Veldhoven, NL;
Joppe Willem Bos, Wijgmaal, BE;
NXP B.V., Eindhoven, NL;
Abstract
Various embodiments relate to a data processing system comprising instructions embodied in a non-transitory computer readable medium, the instructions for digital signature method based in a processor, the instructions, including: performing p/k iterations of a parallel chained hash function for a first signature calculation, wherein pis the total number of chained hashes to be calculated for the first signature and k is the number of parallel hashes performed by the parallel chained hash function; performing a parallel chained hash function on remaining remainder(p/k) chained hashes from the first signature calculation and X=k−remainder(p/k) chained hashes from a second signature calculation; and performing (p−X)/k iterations of a parallel chained hash function for the second signature calculation, wherein pis the total number of chained hashes to be calculated for the second signature.